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run code in 300+ PHP versions simultaneously
<?php $iterator = new \AppendIterator(); $inner1 = new AppendIterator(); $inner1->append(new ArrayIterator([1, 2, 3])); $inner2 = new AppendIterator(); $inner2->append(new ArrayIterator([11, 12, 13])); $iterator->append($inner1); $iterator->append(new ArrayIterator([21, 22, 23])); echo "-> iteration", "\n"; while($iterator->valid()) { echo $iterator->current(), "\n"; $iterator->next(); } echo "-> foreach", "\n"; foreach($iterator as $val) { echo $val, "\n"; }
Output for 7.0.0 - 7.0.21, 7.1.0 - 7.1.7, 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
-> iteration 1 2 3 21 22 23 -> foreach 1 2 3 21 22 23
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 -> iteration 1 2 3 21 22 23 -> foreach 1 2 3 21 22 23
Output for 7.1.9
-> iteration 21 22 23 -> foreach Recoverable fatal error: Object of class ArrayIterator could not be converted to string in /in/WpO5Y on line 19
Process exited with code 255.
Output for 7.0.22 - 7.0.23, 7.1.8
-> iteration 1 2 3 -> foreach 1 2 3 21 22 23

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